I have already done regression testing and opened bug reports for this bug. All information can be found attached to the bug reports. I have tested the newest mainline kernel and the problem still exists. Laptop is a Dell Inspiron 17R SE. Ubuntu: Started as 12.04, currently 13.04 >From Mainline Kernel 3.11-rc4 jason@jason-Inspiron-7720:~$ dmesg | grep Unknown [ 20.512553] psmouse serio1: alps: Unknown ALPS touchpad: E7=73 03 50, EC=73 02 02 jason@jason-Inspiron-7720:~$ uname -a Linux jason-Inspiron-7720 3.11.0-031100rc4-generic #201308041735 SMP Sun Aug 4 21:36:46 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux Looking at the kernel source really quick, E7 has a match however EC does not unless I missed something. Bug reports Launchpad https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1093237 kernel.org https://bugzilla.kernel.org/show_bug.cgi?id=60739 -- To unsubscribe from this list: send the line "unsubscribe linux-input" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html